MCQ Questions

Check the below NCERT MCQ Questions for Class 9 Maths Chapter 9 Areas of Parallelograms and Triangles with Answers Pdf free download. MCQ Questions for Class 9 Maths with Answers were prepared based on the latest exam pattern. We have provided Areas of Parallelograms and Triangles Class 10 Maths MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-9-maths-chapter-9/

Students can also refer to NCERT Solutions for Class 9 Maths Chapter 9 Areas of Parallelograms and Triangles for better exam preparation and score more marks.

Areas of Parallelograms and Triangles Class 9 MCQs Questions with Answers

Class 9 Maths Chapter 9 MCQ Question 1.
Two parallelograms are on equal bases and between the same parallels. The ratio of their areas is
(a) 1 : 2
(b) 1 : 1
(c) 2 : 1
(d) 3 : 1

Answer

Answer: (b) 1 : 1

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Area Of Parallelogram And Triangle Class 9 MCQ Question 2.
ABCD is a quadrilateral whose diagonal AC divides it in two parts of equal area, then ABCD is a
(a) rectangle
(b) rhombus
(c) parallelogram
(d) need not be any of (a), (b) or (c)

Answer

Answer: (d) need not be any of (a), (b) or (c)

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MCQ On Areas Of Parallelograms And Triangles Class 9 Question 3.
If a triangle and a parallelogram are on the same base and between same parallels, then the ratio of the area of the triangle to the area of parallelogram is
(a) 1 : 3
(b) 1 : 2
(c) 3 : 1
(d) 1 : 4

Answer

Answer: (b) 1 : 2

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Class 9 Maths Chapter 9 MCQ With Answers Question 4.
The median of a triangle divides it into two
(a) isosceles triangle
(b) congruent triangles
(c) right angled triangle
(d) triangles of equal areas

Answer

Answer: (d) triangles of equal areas

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MCQ Questions For Class 9 Maths Ncert Chapter 9 Question 5.
PQRS is a parallelogram and A and B are any points on PQ and QR. If ar(PQRS) = 48 cm², then ar(ΔPBS) + ar(ΔASR) is equal to

(a) 96 cm²
(b) 36 cm²
(c) 48 cm²
(d) 24 cm²

Answer

Answer: (c) 48 cm²

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Class 9 Maths Ch 9 MCQ Question 6.
A, B, C and D are the mid-points of sides of parallelogram PQRS. If ar(PQRS) = 36 cm², then ar(ABCD) is

(a) 24 cm²
(b) 18 cm²
(c) 30 cm²
(d) 36 cm²

Answer

Answer: (b) 18 cm²

---

Areas Of Parallelograms And Triangles Class 9 MCQ Question 7.
ABCD is a trapezium in which AB || DC. If ar(ΔABD) = 24 cm² and AB = 8 cm, then height of ΔABC is

(a) 3 cm
(b) 6 cm
(c) 8 cm
(d) 4 cm

Answer

Answer: (d) 4 cm

---

Area Of Triangle And Quadrilateral Class 9 MCQ Question 8.
PQRS is a parallelogram. If X and Y are the mid-points of PQ and SR and diagonal SQ is joined, then ar(XQRY) : ar(ΔQSR) is

(a) 1 : 2
(b) 1 : 4
(c) 1 : 1
(d) 2 : 1

Answer

Answer: (c) 1 : 1

---

MCQ Questions For Class 9 Maths Areas Of Parallelograms And Triangles Question 9.
In quadrilateral PQRS, M is the mid-point of PR. If ar(SMQR) = 18 cm², then ar(PQMS) is

(a) 24 cm²
(b) 12 cm²
(c) 18 cm²
(d) 36 cm²

Answer

Answer: (c) 18 cm²

---

Class 9 Maths Chapter 9 MCQ Online Test Question 10.
D and E are the mid-points of BC and AD respectively. If ar(ΔABC) = 12 cm², then ar(ΔBDE) is
(a) 5 cm²
(b) 6 cm²
(c) 3 cm²
(d) 9 cm²

Answer

Answer: (c) 3 cm²

---

We hope the given NCERT MCQ Questions for Class 9 Maths Chapter 9 Areas of Parallelograms and Triangles with Answers Pdf free download will help you. If you have any queries regarding Areas of Parallelograms and Triangles CBSE Class 9 Maths MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below NCERT MCQ Questions for Class 9 Maths Chapter 6 Lines and Angles with Answers Pdf free download. MCQ Questions for Class 9 Maths with Answers were prepared based on the latest exam pattern. We have provided Lines and Angles Class 10 Maths MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-9-maths-chapter-6/

Students can also refer to NCERT Solutions for Class 9 Maths Chapter 6 Lines and Angles for better exam preparation and score more marks.

Lines and Angles Class 9 MCQs Questions with Answers

Lines And Angles Class 9 MCQ Question 1.
In ΔABC, ∠A = 50° and the external bisectors of ∠B and ∠C meet at O as shown in figure. The measure of ∠BOC is

(a) 40°
(b) 65°
(c) 115°
(d) 140°

Answer

Answer: (b) 65°

---

Class 9 Maths Chapter 6 MCQ Question 2.
In figure the value of x is

(a) 120°
(b) 130°
(c) 110°
(d) 100°

Answer

Answer: (b) 130°

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Class 9 Lines And Angles MCQ Question 3.
An exterior angle of a triangle is 80° and the interior opposite angles are in the ratio 1 : 3, measure of interior opposite angles are
(a) 30°, 90°
(b) 40°, 120°
(c) 20°, 60°
(d) 30°, 60°

Answer

Answer: (c) 20°, 60°

---

Lines And Angles MCQ Class 9 Question 4.
In ΔABC, the bisectors of ∠ABC and ∠BCA intersect each other at O. The measure of ∠BOC is
(a) 90° + ∠A
(b) 90° + \(\frac{∠A}{2}\)
(c) 180 – ∠A
(d) 90° – \(\frac{∠A}{2}\)

Answer

Answer: (b) 90° + \(\frac{∠A}{2}\)

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MCQ Of Lines And Angles Class 9 Question 5.
In figure if ∠A + ∠B + ∠C + ∠D + ∠E + ∠F = k right angles, then find value of k.

(а) 2
(b) 3
(c) 4
(d) 5

Answer

Answer: (c) 4

---

Ch 6 Maths Class 9 MCQ Question 6.
In the given figure, the measure of ∠ABC is

(a) 80°
(b) 20°
(c) 100°
(d) 60°

Answer

Answer: (a) 80°

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MCQ On Lines And Angles Class 9 Question 7.
The angle of a triangle are in the ratio 5 : 3 : 7, the triangle is
(а) an acute-angled triangle
(b) an obtuse angled triangle
(c) an right angled triangle
(d) an isosceles triangle.

Answer

Answer: (а) an acute-angled triangle

---

Class 9 Maths Ch 6 MCQ Question 8.
In figure l₁ || l₂, the value of x is

(a) 80°
(b) 100°
(c) 110°
(d) 70°

Answer

Answer: (a) 80°

---

Class 9 Maths Lines And Angles MCQ Question 9.
If one angle of triangle is equal to the sum of the other two, then the triangle is
(a) an isosceles triangle
(b) an obtuse-angled triangle
(c) an equilateral triangle
(d) a right triangle

Answer

Answer: (d) a right triangle

---

Chapter 6 Maths Class 9 MCQ Question 10.
One of the angles of a triangle is 75°. If the difference of other two is 35°, then the largest angle of other two angles has a measure
(a) 80°
(b) 75°
(c) 70°
(d) 135°

Answer

Answer: (c) 70°

---

Lines And Angles Class 9 MCQ With Answers Question 11.
An exterior angle of a triangle is 105° and its two interior opposite angles are equal. Each of these equal angles is
(a) 37 \(\frac{1°}{2}\)
(b) 52 \(\frac{1°}{2}\)
(c) 72 \(\frac{1°}{2}\)
(d) 75°

Answer

Answer: (b) 52 \(\frac{1°}{2}\)

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MCQ Lines And Angles Class 9 Question 12.
In Figure measure of ∠ABC is

(a) 60°
(b) 70°
(c) 80°
(d) 50°

Answer

Answer: (a) 60°

---

Maths Class 9 Chapter 6 MCQ Question 13.
In Figure AB || CD, the value of x is

(a) 35°
(b) 40°
(c) 60°
(d) 75°

Answer

Answer: (d) 75°

---

Lines And Angles Class 9 MCQ With Answers Pdf Question 14.
In the figure, PS ⊥ l, RQ ⊥ l, the degree measure of y is

(a) 55°
(b) 90°
(c) 80°
(d) 135°

Answer

Answer: (c) 80°

---

Class 9 Ch 6 Maths MCQ Question 15.
Each angle of an equilateral triangle is
(a) 50°
(b) 90°
(c) 54°
(d) 60°

Answer

Answer: (d) 60°

---

MCQ Questions For Class 9 Maths Lines And Angles Question 16.
Given lines l₁ || l₂ and l₂ || l₃ in figure. The value of x is

(a) 40°
(b) 140°
(c) 50°
(d) 80°

Answer

Answer: (b) 140°

---

Class 9 Chapter 6 Maths MCQ Question 17.
In figure, find the value of y.

(a) 28°
(b) 40°
(c) 140°
(d) 56°

Answer

Answer: (a) 28°

---

Class 9th Maths Chapter 6 MCQ Question 18.
In the given figure, if AOB is a straight line, then ∠BOC is

(a) 80°
(b) 70°
(c) 60°
(d) 20°

Answer

Answer: (a) 80°

---

We hope the given NCERT MCQ Questions for Class 9 Maths Chapter 6 Lines and Angles with Answers Pdf free download will help you. If you have any queries regarding Lines and Angles CBSE Class 9 Maths MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below NCERT MCQ Questions for Class 9 Maths Chapter 7 Triangles with Answers Pdf free download. MCQ Questions for Class 9 Maths with Answers were prepared based on the latest exam pattern. We have provided Triangles Class 10 Maths MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-9-maths-chapter-7/

Students can also refer to NCERT Solutions for Class 9 Maths Chapter 7 Triangles for better exam preparation and score more marks.

Triangles Class 9 MCQs Questions with Answers

Triangles Class 9 MCQ Chapter 7 Question 1.
In given figure, the measure of ∠BAC is

(a) 60°
(b) 50°
(c) 70°
(d) 80°

Answer

Answer: (b) 50°

---

Triangles Class 9 MCQ With Answers Chapter 7 Question 2.
In figure if AE || DC and AB = AC, find the value of ∠ABD.

(a) 130°
(b) 110°
(c) 120°
(d) 70°

Answer

Answer: (a) 130°

---

Triangles MCQ Class 9 Chapter 7  Question 3.
In figure X is a point in the interior of square ABCD, AXYZ is also a square. If DY = 3 cm and AZ = 2 cm, then find BY.

(a) 5 cm
(b) 6 cm
(c) 7 cm
(d) 8 cm

Answer

Answer: (c) 7 cm

---

Class 9 Triangles MCQ Chapter 7 Question 4.
In figure AB ⊥ AE, BC ⊥ AB, CE = DE and ∠AED = 120°, then find ∠ECD.

(a) 80°
(b) 70°
(c) 85°
(d) 60°

Answer

Answer: (d) 60°

---

Class 9 Maths Chapter 7 MCQ Question 5.
In ΔABC, ∠C = ∠A and BC = 4 cm and AC = 5 cm, then find length of AB.
(a) 5 cm
(b) 3 cm
(c) 4 cm
(d) 2.5 cm

Answer

Answer: (c) 4 cm

---

Triangle Class 9 MCQ Chapter 7 Question 6.
In ΔABC, AB = AC and ∠B = 50°, then find ∠C.
(a) 50°
(b) 40°
(c) 80°
(d) 120°

Answer

Answer: (a) 50°

---

Triangle MCQ Class 9 Chapter 7 Question 7.
In figure, D is the mid-point of side BC of a ΔABC and ∠ABD = 50°. If AD = BD = CD, then find the measure of ∠ACD.

(a) 30°
(b) 70°
(c) 80°
(d) 40°

Answer

Answer: (d) 40°

---

MCQ On Triangles Class 9 Chapter 7 Question 8.
In figure, ABC is an isosceles triangle whose side AC is produce to E and through C, CD is drawn parallel to BA. Find the value of x.

(a) 52°
(b) 156°
(c) 76°
(d) 104°

Answer

Answer: (d) 104°

---

MCQ Of Triangles Class 9 Chapter 7 Question 9.
In figure AB ⊥ BE and EF ⊥ BE. If BC = DE and AB = EF, then ΔABD is congruent to

(a) ΔEFC
(b) ΔECF
(c) ΔDEF
(d) ΔFEC

Answer

Answer: (d) ΔFEC

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Ch 7 Maths Class 9 MCQ Chapter 7 Question 10.
D is a point on the side BC of a ΔABC such that AD bisects ∠BAC. Then
(a) BD = CD
(b) BA > BD
(c) BD > BA
(d) CD > CA

Answer

Answer: (b) BA > BD

---

Class 9 Maths Ch 7 MCQ Question 11.
It is given that ΔABC = ΔFDE and AB = 5 cm, ∠B = 40° and ∠A = 80°. Then which of the following is true?
(а) DF = 5 cm, ∠F = 60°
(b) DF = 5 cm, ∠E = 60°
(c) DE = 5 cm, ∠E = 60°
(d) DE = 5 cm, ∠D = 40°

Answer

Answer: (b) DF = 5 cm, ∠E = 60°

Two triangles are congruent if their corresponding sides are equal in length and their corresponding angles are equal in size.
In the first option, DF = 5 cm but ∠F is not equal to 60°.
In the third and the fourth options, the length of DE ≠ 5cm, since it is not defined.
In the second option, DF = 5cm and ∠E = 60° is satisfied.

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Class 9 Maths Triangles MCQ Chapter 7 Question 12.
Two sides of a triangle are of lengths 5 cm and 1.5 cm. The length of the third side of the triangle cannot be
(a) 3.6 cm
(b) 4.1 cm
(c) 3.8 cm
(d) 3.4 cm

Answer

Answer: (d) 3.4 cm

---

Chapter 7 Maths Class 9 MCQ Question 13.
In ΔPQR, if ∠R > ∠Q, then
(a) QR > PR
(b) PQ > PR
(c) PQ < PR
(d) QR < PR

Answer

Answer: (b) PQ > PR

---

Triangles Class 9 MCQ With Answers Pdf Question 14.
In triangles ABC and PQR, AB = AC, ∠C = ∠P and ∠B = ∠Q. The two triangles are
(a) isosceles but not congruent
(b) isosceles and congruent
(c) congruent but not isosceles
(d) neither congruent nor isosceles

Answer

Answer: (a) isosceles but not congruent

---

MCQ Triangles Class 9 Chapter 7 Question 15.
In triangles ABC and DEF, AB = FD and ∠A = ∠D. The two triangles will be congruent by SAS axiom if
(a) BC = EF
(b) AC = DE
(c) AC = EF
(d) BC = DE

Answer

Answer: (b) AC = DE

---

We hope the given NCERT MCQ Questions for Class 9 Maths Chapter 7 Triangles with Answers Pdf free download will help you. If you have any queries regarding Triangles CBSE Class 9 Maths MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below NCERT MCQ Questions for Class 9 Maths Chapter 5 Introduction to Euclid’s Geometry with Answers Pdf free download. MCQ Questions for Class 9 Maths with Answers were prepared based on the latest exam pattern. We have provided Introduction to Euclid’s Geometry Class 10 Maths MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-9-maths-chapter-5/

Students can also refer to NCERT Solutions for Class 9 Maths Chapter 5 Introduction to Euclid’s Geometry for better exam preparation and score more marks.

Introduction to Euclid’s Geometry Class 9 MCQs Questions with Answers

Class 9 Maths Chapter 5 MCQ Question 1.
The number of dimensions, a solid has:
(a) 1
(b) 2
(c) 3
(d) 0

Answer

Answer: (c) 3

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MCQ Questions For Class 9 Maths Ncert Chapter 5 Question 2.
The total number of propositions in the elements are:
(a) 465
(b) 460
(c) 13
(d) 55

Answer

Answer: (a) 465

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Class 9 Maths Chapter 5 MCQ With Answers Question 3.
In Indus valley civilisation (about 3000 BC), the bricks used for construction work were having dimensions in the ratio
(a) 1 : 3 : 4
(b) 4 : 2 : 1
(c) 4 : 4 : 1
(d) 4 : 3 : 2

Answer

Answer: (b) 4 : 2 : 1

---

Euclid Geometry Class 9 MCQ Question 4.
The things which are double of same thing are
(a) equal
(b) halves of same thing
(c) unequal
(d) double of the same thing

Answer

Answer: (a) equal

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Introduction To Euclids Geometry Class 9 MCQ Question 5.
Which of the following statements is incorrect?
(а) A line segment has definite length.
(b) Three lines are concurrent if and only if they have a common point.
(c) Two lines drawn in a plane always intersect at a point.
(d) One and only one line can be drawn passing through a given point and parallel to a given line.

Answer

Answer: (c) Two lines drawn in a plane always intersect at a point.

---

Chapter 5 Maths Class 9 MCQ Question 6.
Select the wrong statement:
(а) Only one line can pass through a single point.
(b) Only one line can pass through two distinct points.
(c) A terminated line can be produced indefinitely on both the sides.
(d) If two circles are equal, then their radii are equal.

Answer

Answer: (а) Only one line can pass through a single point.

---

Introduction To Euclid’s Geometry Class 9 MCQ Question 7.
Which one of the following statements is true?
(a) Only one line can pass through a single point.
(b) There are an infinite number lines which pass through two distinct points.
(c) Two distinct lines cannot have more than one point in common.
(d) If two circles are equal, then their radii are not equal.

Answer

Answer: (c) Two distinct lines cannot have more than one point in common.

---

Ch 5 Maths Class 9 MCQ Question 8.
If the point P lies in between M and N and C is mid point of MP, then:
(a) MC + PN = MN
(b) MP + CP – MN
(c) MC + CN = MN
(d) CP + CN = MN

Answer

Answer: (c) MC + CN = MN

---

Class 9 Maths Ch 5 MCQ Question 9.
‘Lines are parallel if they do not intersect’ is stated in the form of:
(a) an axiom
(b) a definition
(c) a postulate
(d) a proof

Answer

Answer: (b) a definition

---

Maths Class 9 Chapter 5 MCQ Question 10.
Two planes intersect each other to form a:
(a) plane
(b) point
(c) straight line
(d) angle

Answer

Answer: (c) straight line

---

Class 9 Math Chapter 5 MCQ Question 11.
The number of lines that can pass through a given point is
(a) two
(b) none
(c) only one
(d) infinitely many

Answer

Answer: (d) infinitely many

---

MCQ Questions For Class 9 Maths Chapter 5 Question 12.
How many lines do pass through two distinct points?
(a) 1
(b) 2
(c) 3
(d) 4

Answer

Answer: (a) 1

---

Class 9 Maths Chapter 5 MCQ Online Test Question 13.
The number of line segments determined by three collinear points is:
(a) two
(b) three
(c) only one
(d) four

Answer

Answer: (b) three

---

Euclids Geometry Class 9 MCQ Question 14.
Number of dimension(s) a surface has:
(a) 0
(b) 1
(c) 2
(d) 3

Answer

Answer: (c) 2

---

Class 9 Chapter 5 Maths MCQ Question 15.
Euclid stated that things which are equal to the same thing are equal to one another in the form of:
(a) an axiom
(b) a definition
(c) a postulate
(d) a proof

Answer

Answer: (a) an axiom

---

Question 16.
The things which coincide with one another are:
(a) equal
(b) unequal
(c) half of same thing
(d) triple of one another

Answer

Answer: (a) equal

---

Question 17.
Given four points such that no three of them are collinear, then the number of lines that can be drawn through them is:
(a) 2 lines
(b) 4 lines
(c) 6 lines
(d) 8 lines

Answer

Answer: (c) 6 lines

---

Question 18.
Two intersecting lines cannot be parallel to the same line, is stated in the form of:
(a) an axiom
(b) a definition
(c) a postulate
(d) a proof

Answer

Answer: (c) a postulate

---

Question 19.
Euclid stated that all right angles are equal to each other in the form of:
(a) an axiom
(b) a definition
(c) a postulate
(d) a proof

Answer

Answer: (c) a postulate

---

Question 20.
Which of the following needs a proof?
(a) theorem
(b) Axiom
(c) Definition
(d) Postulate

Answer

Answer: (a) theorem

---

We hope the given NCERT MCQ Questions for Class 9 Maths Chapter 5 Introduction to Euclid’s Geometry with Answers Pdf free download will help you. If you have any queries regarding Introduction to Euclid’s Geometry CBSE Class 9 Maths MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Check the below NCERT MCQ Questions for Class 9 Maths Chapter 4 Linear Equations for Two Variables with Answers Pdf free download. MCQ Questions for Class 9 Maths with Answers were prepared based on the latest exam pattern. We have provided Linear Equations for Two Variables Class 10 Maths MCQs Questions with Answers to help students understand the concept very well. https://mcqquestions.guru/mcq-questions-for-class-9-maths-chapter-4/

Students can also refer to NCERT Solutions for Class 9 Maths Chapter 4 Linear Equations for Two Variables for better exam preparation and score more marks.

Linear Equations for Two Variables Class 9 MCQs Questions with Answers

Linear Equations In Two Variables Class 9 MCQ Question 1.
The value of y at x = -1 in the equation 5y = 2 is
(a) \(\frac{5}{2}\)
(b) \(\frac{2}{5}\)
(c) 10
(d) 0

Answer

Answer: (b) \(\frac{2}{5}\)

---

Class 9 Maths Chapter 4 MCQ Question 2.
Equation of a line which is 5 units distance above the x-axis is
(a) x = 5
(b) x + 5 = y
(c) y – 5
(d) x – y = 0

Answer

Answer: (c) y – 5

---

Linear Equations In Two Variables MCQ Class 9 Question 3.
x = 3 and y = -2 is a solution of the equation 4px – 3y = 12, then the value of p is
(a) 0
(b) \(\frac{1}{2}\)
(c) 2
(d) 3

Answer

Answer: (b) \(\frac{1}{2}\)

---

Ch 4 Maths Class 9 MCQ Question 4.
Which of the following is the equation of a line parallel to y-axis?
(a) y = 0
(b) x + y = z
(c) y = x
(d) x = a

Answer

Answer: (d) x = a

---

Class 9 Linear Equations In Two Variables MCQ Question 5.
Any point on the line y = 3x is of the form
(a) (a, 3a)
(b) (3a, a)
(c) (a, \(\frac{a}{3}\))
(d) (\(\frac{a}{3}\), -a)

Answer

Answer: (a) (a, 3a)

---

Question 6.
To which equation does the graph represent?

(a) 3x – 7y = 10
(b) y – 2x = 3
(c) 8y – 6x = 4
(d) 5x +\(\frac{35}{2}\)y = 25

Answer

Answer: (c) 8y – 6x = 4

---

Question 7.
Any point of the form (a, – a) always lie on the graph of the equation
(a) x = -a
(b) y = a
(c) y = x
(d) x + y = 0

Answer

Answer: (d) x + y = 0

---

Question 8.
The graph of the equation 2x + 3y = 6 cuts the x-axis at the point
(a) (0, 3)
(b) (3, 0)
(c) (2, 0)
(d) (0, 2)

Answer

Answer: (b) (3, 0)

---

Question 9.
Graph of linear equation ax + by + c = 0, a * 0, 6*0 cuts x-axis and y-axis respectively at the points.
(a) (\(\frac{-c}{a}\), 0), (0, \(\frac{-c}{b}\))
(b) (0, \(\frac{-c}{b}\), 0), (\(\frac{-c}{a}\), 0)
(c) (-c, 0) (0, -c)
(d) (x, 0) (y, 0)

Answer

Answer: (a) (\(\frac{-c}{a}\), 0), (0, \(\frac{-c}{b}\))

---

Question 10.
Which of the following ordered pairs is a solution of the equation x – 2y – 6?
(a) (2, 4)
(b) (0, 3)
(c) (-4, 1)
(d) (4, -1)

Answer

Answer: (d) (4, -1)

---

Question 11.
How many linear equation in x and y can be satisfied by x = 1 and y = 2?
(a) only one
(b) two
(c) infinitely many
(d) three

Answer

Answer: (c) infinitely many

---

Question 12.
Solution of linear equation 2x + 0.y + 9 = 0 is
(a) (\(\frac{9}{2}\), m)
(b) (n, \(\frac{-9}{2}\))
(c) (0, \(\frac{-9}{2}\))
(d) (\(\frac{-9}{2}\), 0)

Answer

Answer: (d) (\(\frac{-9}{2}\), 0)

---

Question 13.
If (3, 2) is the solution 3x – ky = 5, then k equals of the equation
(a) 2
(b) 4
(c) 3
(d) \(\frac{1}{2}\)

Answer

Answer: (a) 2

---

Question 14.
Cost of book (x) exceeds twice the cost of pen (y) by Rs 10. This statement can be expressed as linear equation.
(a) x – 2y – 10 = 0
(b) 2x – y – 10 = 0
(c) 2x + y – 10 = 0
(d) x – 2y + 10 = 0

Answer

Answer: (a) x – 2y – 10 = 0

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Question 15.
If x represents the age of father and y represents the present age of the son, then the statement for ‘present age of father is 5 more than 6 times the age of the son’ in terms of mathematical equation is
(a) 6x + y = 5
(b) x = 6y + 5
(c) x + 6y = 5
(d) x – 6 = 5

Answer

Answer: (b) x = 6y + 5

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Question 16.
Equation of a line passing through origin is
(a) x + y = 1
(b) x = 2y – 4
(c) x + y = 0
(d) y = x – 1

Answer

Answer: (c) x + y = 0

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Question 17.
The condition that the equation ax + by + c = 0 represents a linear equation in two variables is
(a) a ≠ 0, b = 0
(b) b ≠ 0, a = 0
(c) a = 0, b = 0
(d) a ≠ 0, b ≠ 0

Answer

Answer: (d) a ≠ 0, b ≠ 0

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Question 18.
The maximum number of points that lie on the graph of a linear equation in two variables is.
(a) two
(b) definite
(c) infinitely many
(d) three

Answer

Answer: (c) infinitely many

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Question 19.
Straight line passing through the points (-1, 1), (0, 0) and (1, -1) has equation
(a) y – x
(b) x + y = 0
(c) y = 2x
(d) 2 + 3y = 7x

Answer

Answer: (b) x + y = 0

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